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PETALUMA (CBS SF) — The United States Department of Agriculture has expanded a recall involving nearly 9 million pounds of beef from a Petaluma slaughterhouse, saying the meat was distributed nationwide.

Rancho Feeding Corporation was shut down last month, after the USDA said the slaughterhouse processed diseased and unhealthy animals and did not process animals without a full federal inspection.

The recall affects 8.7 million pounds of beef processed at the slaughterhouse produced from January 7, 2013 to January 7, 2014, the USDA said.

According to the Food Safety and Inspection Service, the meat was sold to retailers in 35 states and Guam. Several major chains are affected by the recall, including Safeway, Walgreens, Walmart and 7-Eleven.

Beef carcasses and boxes bear the establishment number “EST. 527″ inside the USDA mark of inspection. Each box bears the case code number ending in “3” or “4.” The products were produced Jan. 1, 2013 through Jan. 7, 2014 and shipped to distribution centers and retail establishments nationwide.